DE202014101423U1 - Electrolysis cell for gas separation - Google Patents

Electrolysis cell for gas separation Download PDF

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DE202014101423U1
DE202014101423U1 DE202014101423.3U DE202014101423U DE202014101423U1 DE 202014101423 U1 DE202014101423 U1 DE 202014101423U1 DE 202014101423 U DE202014101423 U DE 202014101423U DE 202014101423 U1 DE202014101423 U1 DE 202014101423U1
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electrodes
electrolysis cell
oxygen
electrolysis
gas separation
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031—Porous electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/034—Rotary electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/30—Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46123—Movable electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46152—Electrodes characterised by the shape or form
    • C02F2001/46157—Perforated or foraminous electrodes
    • C02F2001/46161—Porous electrodes
    • C02F2001/46166—Gas diffusion electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

Elektrolysezelle zur Gastrennung, dadurch gekennzeichnet, dass sie aus mehreren Kammern (4; 5) mit durchströmbaren Elektroden (2; 3) besteht, wobei die Separation von Sauerstoff und Wasserstoff durch Abtransport der Gase über die Elektroden (2; 3) und die Rückführung von Sauerstoff/Ozongemisch der Anode (2) über ein Ozongenerator erfolgt.Electrolysis cell for gas separation, characterized in that it consists of several chambers (4; 5) with flow-through electrodes (2; 3), the separation of oxygen and hydrogen by the removal of the gases via the electrodes (2; 3) and the return of Oxygen / ozone mixture of the anode (2) takes place via an ozone generator.

Description

Die Erfindung betrifft eine mehrzellige Elektrolysevorrichtung mit Elektroden aus elektrisch leitendem Material, das offenporig strukturiert ist. Die offenporige Struktur dient zur effizienten Trennung der bei der Elektrolyse entstehenden Gase H2 und O2. Die Gase werden entweder gemeinsam zur Energiegewinnung in Brennstoffzellen oder der Sauerstoff zur Wasserbehandlung verwendet. The invention relates to a multi-cell electrolysis device with electrodes of electrically conductive material, which is structured open-pored. The open-pore structure is used for the efficient separation of the gases H 2 and O 2 formed during the electrolysis. The gases are used either together for energy production in fuel cells or the oxygen for water treatment.

Es ist seit langem bekannt, für die Wasserelektrolyse flüssige oder Festbettelektrolyte zu verwenden. Diese bestehen aus leitfähigem Polymer, das die Wasserstoffionen transportiert, um die Elektrolyseprodukte physikalisch zu trennen. Die Elektroden weisen eine poröse Struktur auf, um von Wasser und den Elektrolyseprodukten gut durchströmt werden zu können. It has long been known to use liquid or fixed bed electrolytes for water electrolysis. These are made of conductive polymer that transports the hydrogen ions to physically separate the electrolysis products. The electrodes have a porous structure in order to be able to flow well through water and the electrolysis products.

So findet sich bereits in EP 0 417 647 A1 ein Vorschlag für eine Vorrichtung zum Erzeugen von Wasserstoff durch elektrolytische Spaltung von Wasser. Elektrolysezellen zum Erzeugen von Ozon bzw. Sauerstoff oder Ozon-Sauerstoffgemisch finden sich in den Patentschriften DE 196 06 606 C2 und DE 196 53 034 C2 ; in DE 196 19 333 C1 wird hierfür eine mehrschichtige Elektrode für die Elektrolysezelle vorgestellt. So you can already find in EP 0 417 647 A1 a proposal for a device for generating hydrogen by electrolytic splitting of water. Electrolysis cells for generating ozone or oxygen or ozone-oxygen mixture can be found in the patents DE 196 06 606 C2 and DE 196 53 034 C2 ; in DE 196 19 333 C1 For this purpose, a multilayer electrode for the electrolysis cell is presented.

Legt man an eine Elektrolysezelle eine Gleichspannung an, die höher ist als die Zersetzungsspannung des Wassers (ca. U ≥ 2V), fließt an den Elektroden ein elektrischer Strom, der in etwa proportional zur angelegten Spannung ist. An den Elektroden bilden sich Gasblasen, Sauerstoff an der Anode A(+) und Wasserstoff an der Kathode K(–). Die erzeugte Gasmenge ist dem fließenden Strom direkt proportional. Um den Strompfad möglichst kurz zu halten, sind die Platten dicht gepackt, meist 200 µm ... 3 mm. In diesem engen Spalt findet die Gaserzeugung statt und entsprechend eine starke Vermischung der Gase. If a DC voltage is applied to an electrolysis cell which is higher than the decomposition voltage of the water (approximately U ≥ 2 V), an electric current flows at the electrodes which is approximately proportional to the applied voltage. Gas bubbles, oxygen at the anode A (+) and hydrogen at the cathode K (-) form at the electrodes. The amount of gas generated is directly proportional to the flowing stream. To keep the current path as short as possible, the plates are densely packed, usually 200 μm ... 3 mm. Gas generation takes place in this narrow gap and accordingly a strong mixing of the gases.

Aufgabe der Erfindung ist die Trennung der Gase, um eine Rückreaktion der Gase zu Wasser zu verhindern bzw. unerwünschte chemische Reaktionen zu unterbinden, da ansonsten bei ungenügender Trennung der Gase der Wirkungsgrad der Elektrolyse sich stark verringert. The object of the invention is the separation of the gases in order to prevent a back reaction of the gases to water or to prevent undesired chemical reactions, since otherwise the efficiency of the electrolysis is greatly reduced if the gases are not adequately separated.

Nach Maßgabe der Erfindung wird für die Trennung der Gase die Elektrolyseeinheit mehrzellig aufgebaut. In der mittleren Zelle wird frisches Wasser auf die Elektroden geleitet. Die Elektroden bestehen erfindungsgemäß aus offenporigem Metallschaum mit einer Porengröße in der Größenordnung von 10 µm ... 1 mm. Durch die an die Anode und Kathode anschließenden Kammern wird mittels Venturidüsen ein Unterdruck des vorbeiströmenden Fluids erzeugt. Das an der Anode erzeugte Sauerstoffgas wird direkt als Oxidationsmittel in das Fluid eingesaugt und zur Oxidation von Schadstoffen eingesetzt. Derart lassen sich der CSB (chemische Sauerstoffbedarf) und BSB (biologische Sauerstoffbedarf) von Abwasser senken. CSB und BSB sind entscheidende Kenngrößen für die Gebühren zur Einleitung in die Kanalisation. According to the invention, the electrolysis unit is constructed multicellular for the separation of the gases. In the middle cell, fresh water is directed to the electrodes. According to the invention, the electrodes consist of open-pore metal foam with a pore size in the order of magnitude of 10 μm to 1 mm. By means of the chambers adjoining the anode and cathode, a negative pressure of the fluid flowing past is generated by means of venturi nozzles. The oxygen gas generated at the anode is sucked directly into the fluid as an oxidizing agent and used for the oxidation of pollutants. In this way, the COD (chemical oxygen demand) and BOD (biological oxygen demand) can be reduced by wastewater. COD and BOD are decisive parameters for the charges for discharging into the sewage system.

Niedermolekulare Oxidationsmittel auf Basis von Peroxverbindungen, insbesondere Wasserstoffperoxid und Hydroxylradikale, gehören zu den am häufigsten verwendeten Verbindungen in der Wasserbehandlung. Wegen der hohen oxidativen Wirkung eignen sich diese Verbindungen hervorragend für die Zersetzung organischer Verunreinigungen und Entkeimung in wässrigen Systemen. CSB und BSB von Abwässern oder Desinfektion von Wasser in Vorrattanks (Schiffe) können ohne großen apparativen Aufwand durchgeführt werden. Low molecular weight oxidizers based on peroxy compounds, especially hydrogen peroxide and hydroxyl radicals, are among the most commonly used compounds in water treatment. Because of the high oxidative effect, these compounds are outstandingly suitable for the decomposition of organic contaminants and sterilization in aqueous systems. COD and BOD of waste water or disinfection of water in supply tanks (ships) can be carried out without great expenditure on equipment.

Es kann vorgesehen sein, die Elektrolyse zur Dissoziation von Wasser mittels Solarzellen oder andere regenerative Energiequellen, wie Windenergie, zu betreiben. Somit kann Wasserstoff und Sauerstoff mit hohem Wirkungsgrad getrennt und separat gespeichert werden. Energiespeicher zum Zwecke der Energierückgewinnung können Brennstoffzellen oder Verbrennungsmotoren sein. It may be provided to operate the electrolysis for the dissociation of water by means of solar cells or other regenerative energy sources, such as wind energy. Thus, hydrogen and oxygen can be separated with high efficiency and stored separately. Energy storage for the purpose of energy recovery can be fuel cells or internal combustion engines.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels mit Bezug auf die beiliegende Figur näher erläutert:
Der Elektrolysezelle zur Gastrennung wird über den Anschluss 1 reines Wasser zugeführt und durch die Elektroden 2 und 3 in die Nebenkammern 4 und 5 geleitet. An der Anode 2 wird die Ozonbildung durch eine UV-Lampe (nicht dargestellt) verstärkt. Das in der Nebenkammer 5 sauerstoffangereicherte Gasgemisch wird zusätzlich über einen Ozongenerator geführt, dessen Ozonausbeute deutlich erhöht wird, da Sauerstoff in höherer Konzentration zugeführt wird. Vorteil dieser Anordnung ist die Verwendung von üblichem Leitungswasser zur Elektrolyse. Die Zuführung der erzeugten Sauerstoffderivate wie Peroxide und Hydroxylradikale zur Wasserbehandlung erfolgt in einem separaten Behälter oder in der Kammer 5. Dadurch werden die Elektroden nicht durch das Prozesswasser verschmutzt. Eine aufwendige Wasserbehandlung durch Vorfilter entfällt. Das durchströmende Wasser kühlt zudem die Elektroden und erfordert ebenfalls keine weiteren Maßnahmen. In der Kammer 4 wird das Wasserstoffgas abgesaugt und somit die Rückreaktion mit Sauerstoff unterbunden. The invention will be explained in more detail below on the basis of an exemplary embodiment with reference to the accompanying FIGURE.
The electrolysis cell for gas separation is via the connection 1 fed pure water and through the electrodes 2 and 3 in the side chambers 4 and 5 directed. At the anode 2 the ozone formation is enhanced by a UV lamp (not shown). That in the side chamber 5 oxygen-enriched gas mixture is additionally passed through an ozone generator, the ozone yield is significantly increased, since oxygen is supplied in a higher concentration. Advantage of this arrangement is the use of common tap water for electrolysis. The supply of oxygen derivatives produced such as peroxides and hydroxyl radicals for water treatment takes place in a separate container or in the chamber 5 , As a result, the electrodes are not contaminated by the process water. A complex water treatment by pre-filter is eliminated. The flowing water also cools the electrodes and also requires no further action. In the chamber 4 the hydrogen gas is sucked off and thus the back reaction with oxygen is prevented.

Die Elektroden sind in Form von Scheiben ausgebildet und drehbar gelagert. Durch die zusätzliche Bewegung wird ein Zusetzten der Elektroden mit Spaltprodukten reduziert. Durch Verändern der Drehgeschwindigkeit ist eine kontinuierliche Reinigung der Elektroden gegeben. Rotierende poröse Materialien zeigen einen Effekt, wie er bei Radiallüftern auftritt, d. h., die rotierende Elektrode fördert zudem die erzeugten Gase in separate Kammern 4/5. Hohe selektive Gasausbeuten sind somit möglich, da die Rotation zusätzlich die Elektroden kühlt. The electrodes are in the form of discs and rotatably mounted. The additional movement reduces the clogging of the electrodes with fission products. By changing the rotational speed is a continuous Cleaning the electrodes given. Rotating porous materials exhibit an effect that occurs in centrifugal fans, ie, the rotating electrode also promotes the generated gases into separate chambers 4 / 5 , High selective gas yields are thus possible because the rotation additionally cools the electrodes.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1 1
Anschluss connection
2 2
Elektrode/Anode Electrode / anode
3 3
Elektrode/Kathode Electrode / cathode
4 4
Nebenkammer secondary chamber
5 5
Nebenkammer secondary chamber

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • EP 0417647 A1 [0003] EP 0417647 A1 [0003]
  • DE 19606606 C2 [0003] DE 19606606 C2 [0003]
  • DE 19653034 C2 [0003] DE 19653034 C2 [0003]
  • DE 19619333 C1 [0003] DE 19619333 C1 [0003]

Claims (5)

Elektrolysezelle zur Gastrennung, dadurch gekennzeichnet, dass sie aus mehreren Kammern (4; 5) mit durchströmbaren Elektroden (2; 3) besteht, wobei die Separation von Sauerstoff und Wasserstoff durch Abtransport der Gase über die Elektroden (2; 3) und die Rückführung von Sauerstoff/Ozongemisch der Anode (2) über ein Ozongenerator erfolgt. Electrolysis cell for gas separation, characterized in that it consists of several chambers ( 4 ; 5 ) with flow-through electrodes ( 2 ; 3 ), wherein the separation of oxygen and hydrogen by removing the gases via the electrodes ( 2 ; 3 ) and the return of oxygen / ozone mixture of the anode ( 2 ) via an ozone generator. Elektrolysezelle nach Anspruch 1, dadurch gekennzeichnet, dass die Elektroden (2; 3) aus offenporigem Metallschaum bestehen. Electrolysis cell according to claim 1, characterized in that the electrodes ( 2 ; 3 ) consist of open-pored metal foam. Elektrolysezelle nach Anspruch 2, dadurch gekennzeichnet, dass die Porengröße des Metallschaums 10 µm bis 1 mm beträgt. Electrolysis cell according to claim 2, characterized in that the pore size of the metal foam is 10 microns to 1 mm. Elektrolysezelle nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Elektroden (2; 3) drehbar gelagert sind. Electrolysis cell according to one of the preceding claims, characterized in that the electrodes ( 2 ; 3 ) are rotatably mounted. Elektrolysezelle nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Anode (2) mit UV-Licht beschienen ist. Electrolysis cell according to one of the preceding claims, characterized in that the anode ( 2 ) is illuminated with UV light.
DE202014101423.3U 2013-03-28 2014-03-26 Electrolysis cell for gas separation Expired - Lifetime DE202014101423U1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105585080A (en) * 2016-03-02 2016-05-18 蓝星(北京)化工机械有限公司 Oxygen cathode electrolysis bath for electrolyzing high-concentration organic wastewater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417647A1 (en) 1989-09-08 1991-03-20 Packard Instrument Company, Inc. Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water
DE19619333C1 (en) 1996-05-14 1997-05-15 Dirk Schulze Electrode covered by graded fine-coarse-fine sintered layers of titanium particles
DE19606606C2 (en) 1995-03-17 1999-05-06 Dirk Schulze Electrolysis cell for generating ozone or oxygen
DE19653034C2 (en) 1996-12-19 2000-08-17 Dirk Schulze Device for generating oxygen or an ozone-oxygen mixture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417647A1 (en) 1989-09-08 1991-03-20 Packard Instrument Company, Inc. Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water
DE19606606C2 (en) 1995-03-17 1999-05-06 Dirk Schulze Electrolysis cell for generating ozone or oxygen
DE19619333C1 (en) 1996-05-14 1997-05-15 Dirk Schulze Electrode covered by graded fine-coarse-fine sintered layers of titanium particles
DE19653034C2 (en) 1996-12-19 2000-08-17 Dirk Schulze Device for generating oxygen or an ozone-oxygen mixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105585080A (en) * 2016-03-02 2016-05-18 蓝星(北京)化工机械有限公司 Oxygen cathode electrolysis bath for electrolyzing high-concentration organic wastewater
CN105585080B (en) * 2016-03-02 2018-01-16 蓝星(北京)化工机械有限公司 Electrically-degradable high concentrated organic wastewater oxygen cathode electrolytic cell

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